About Us :: Board of Directors

Mangement
Board of Directors
Investors
Scientific Advisory Board


Thomas M. Estok
President and Chief Executive Officer

Mr. Estok is a Biotech entrepreneur who brings nearly 25 years of experience in the development and commercialization of pharmaceuticals to his leadership role at Tragara. Mr. Estok is also co-founder of Aarden Pharmaceuticals and serves as its Chairman. Prior to Tragara, Mr. Estok was the founding President and CEO of Cabrellis Pharmaceuticals (acquired by Pharmion for $104 million) and Chief Commercial Officer of Conforma Therapeutics (acquired by Biogen-Idec for $250 million). During his 19-year tenure at Schering-Plough, Mr. Estok held a number of positions with progressing responsibility in R&D, in both international and domestic marketing, sales, and commercial development. Mr. Estok has led the development and/or commercialization efforts of several oncology products including temozolomide, liposomal doxorubicin, amrubicin, flutamide, and the interferon franchise. Mr. Estok received a BS degree in Biochemistry from Virginia Tech and was awarded an MBA from Fairleigh Dickinson University.

Kim P. Kamdar
Principal, Domain Associates
Dr. Kim Puloma Kamdar
joined Domain Associates in 2005 and became a Principal in 2006. Present board memberships include Nuon Therapeutics, Obalon Therapeutics, ROX Medical, Sonexa Therapeutics, Syndax Pharmaceuticals, Tragara Pharmaceuticals, as well as observer status at Achaogen, BiPar Sciences, Corthera, GenVault, Lipothera and SkinMedica. Ms. Kamdar serves as an advisory board member to Eric Topol’s NIH supported Clinical and Translational Science Award for Scripps Medicine. Additionally, Ms. Kamdar serves as an Advisory Board Member for Evolvence India Life Sciences Fund, a private equity fund providing growth capital to Indian pharmaceutical and biotechnology companies. From 2003-2004, Ms. Kamdar was a Kauffman Fellow with MPM Capital. Prior to joining MPM, Ms. Kamdar was a Research Director at Novartis. She built and led a research team that focused on the biology, genetics and genomics of model organisms to uncover small molecules that modulated signaling pathway networks. Ms. Kamdar is a founder of Aryzun Pharmaceuticals, a biotech company utilizing protein-protein interaction mapping for small molecule discovery with an initial focus on anti-infectives and oncology. Ms. Kamdar is the author of ten papers as well as the inventor on seven patents. Ms. Kamdar received her B.A. from Northwestern University and her Ph.D. from Emory University.

Alain Schreiber, M.D.
Managing Partner, ProQuest Investments
Dr. Schreiber
joined ProQuest as a General Partner in 2000. His extensive industry experience provides a commercially-focused operational discipline and a depth of drug development expertise. Prior to joining ProQuest, Dr. Schreiber served as President, Director, and CEO of Vical. Previously, at Rhône-Poulenc Rorer (now Sanofi-Aventis), Dr. Schreiber served in several roles, including Senior Vice President of Research. Prior to his tenure at Rhône-Poulenc Rorer, Dr. Schreiber was Department Head of Biochemistry at Syntex (now Roche Bioscience). He has previously served on the Board of Directors of ActivX Biosciences, BioRexis Pharmaceutical Corp., Cabrellis Pharmaceuticals, Cadence Pharmaceuticals, Concentric Medical, Conforma Therapeutics, Gemin X and Somalogic. Currently Dr. Schreiber serves on the Board of Directors of Aerovance, Aires Pharmaceuticals, Excaliard Pharmaceuticals, LEAD Therapeutics, Optimer Pharmaceuticals and Tragara Pharmaceuticals. Dr. Schreiber received a B.S. in chemistry, summa cum laude, and an M.D., summa cum laude, from the Free University in Brussels, Belgium. Subsequently, he was a postdoctoral fellow at the Weizmann Institute of Science in Israel.

Eckard Weber
Partner, Domain Associates
Dr. Weber
joined Domain Associates in 2001 as a partner where he specializes in creating companies around promising new pharmaceutical products. He has been founding CEO of multiple biopharmaceutical companies in the Domain portfolio including Acea Pharmaceuticals, Ascenta Therapeutics, Calixa Therapeutics, Cytovia, Domain Antibacterial Acquisition Corporation, NovaCardia, Novacea, Novalar Pharmaceuticals, Ocera Therapeutics, Orexigen Therapeutics, Sonexa Therapeutics, Syndax Pharmaceuticals, Tobira Therapeutics and Tragara Pharmaceuticals. He currently serves as interim CEO of Calixa Therapeutics and Sonexa Therapeutics, two seed-stage biopharmaceutical companies. He is Chairman of the Board at Ascenta Therapeutics, Calixa Therapeutics, Ocera Therapeutics, Orexigen Therapeutics, Sequel Pharmaceuticals, and Tobira Therapeutics. He was Chairman of Peninsula Pharmaceuticals until the company was sold to Johnson & Johnson in 2005, Chairman of Cerexa until the company was sold to Forest Laboratories in January 2007, Chairman of NovaCardia until the company was sold to Merck in September of 2007, and a Board member of Conforma Therapeutics and Cabrellis Pharmaceuticals until they were sold to Biogen-IDEC and Pharmion, respectively. In addition, he is a board member of DiObex. Until 1995, Mr. Weber was a tenured Professor of Pharmacology at the University of California at Irvine. He has over 20 years of drug discovery and development experience and has been a consultant to biotechnology and pharmaceutical companies. He is the inventor or co-inventor of over 40 patents and patent applications, and he has published over 130 papers in scientific periodicals. Mr. Weber received his B.S. from Kolping College, Friedrichshafen, Germany, and his M.D. from University of Ulm Medical School, Germany. He received his Postdoctoral Training at Stanford University Medical School.

Ralph E. (Chris) Christoffersen, Ph.D.
Partner, Morgenthaler Ventures
Dr. Christoffersen
joined Morgenthaler Ventures in 2001. Based in Boulder, Colorado, he is focusing on new biotechnology investments. Previously, he was the President and CEO of Ribozyme Pharmaceuticals, Inc., a Morgenthaler portfolio biotechnology company with a mission to commercialize the Nobel Prize-winning discovery of ribozymes for use as human therapeutics. He currently serves on seven corporate boards, and achieved successful exits with Threshold Pharmaceuticals, Avidia Biosciences, and Morphotek, Inc. He also served as the Senior Vice President of Research at SmithKline Beecham, and Vice President of Discovery Research at The Upjohn Company, and President of Colorado State University. Christoffersen received an honorary doctor of law degree from Cornell College in 1983, the "Outstanding Research of Year" Award from the International Society of Quantum Biology in 1981, the "W. E. Upjohn Award" for contributions in biotechnology in 1988, and a Lifetime Achievement Award in 2003 from the Colorado Biosciences Association. He received a B.S. from Cornell College and a Ph.D. from Indiana University.

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